Concept explainers
a.
To predict: The relationship between class size and class average from the given graph.
a.
Answer to Problem 45PPS
As the class size increases class average decreases.
Explanation of Solution
Given Information: Function is
Graph:
Interpretation:
As is evident from the graph, line is making a negative slope, this implies that as the class size increases class average decreases.
b.
To find: The class size that corresponds to a class average of
b.
Answer to Problem 45PPS
The class size is
Explanation of Solution
Given Information: Function is
Calculation:
Thus, the class size is
c
To find: The domain and range of the given function.
c
Answer to Problem 45PPS
Domain is a set of positive integers and range is
Explanation of Solution
Given Information: Function is
Calculation:
Since the number of students can be integers, so
Domain: Set of positive integers.
Range:
Thus, domain is a set of positive integers, i.e.,
Chapter 1 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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